Home / 39,932.96-55,108.01-22,027.91

Finding the Fourth Proportional to 39,932.96, 55,108.01 and 22,027.91

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Solution

The fourth proportional to 39,932.96, 55,108.01 and 22,027.91 is: 30,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.96 : 55,108.01 = 22,027.91 : x
  2. Step 2: Convert to fraction form
    39,932.96/55,108.01 = 22,027.91/x
  3. Step 3: Cross multiply
    39,932.96x = 55,108.01 × 22,027.91
  4. Step 4: Simplify right side
    39,932.96x = 1,213,914,064.09
  5. Step 5: Solve for x
    x = 1,213,914,064.09/39,932.96
  6. Step 6: Final answer
    x = 30,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.